Capitellidae Grube, 1862
Notomastus aberans Day, 1957
Notomastus abyssalis Fauchald, 1972
Notomastus agassizii McIntosh, 1885
Notomastus americanus Day, 1973
Notomastus angelicae Hernandez-Alcantara & Solis-Weiss, 1998
Notomastus annenkovae Zachs, 1933
Notomastus annulus Hutchings & Murray, 1984
Notomastus anoculatus Hartmann-Schröder, 1965
Notomastus brasiliensis Grube, 1868
Notomastus broomensis Hartmann-Schröder, 1979
Notomastus ceylonicus Pillai, 1961
Notomastus chilensis Hartmann-Schröder, 1965
Notomastus chrysosetus Hutchings & Murray, 1984
Notomastus cinctus Fauchald, 1972
Notomastus daueri Ewing, 1982
Notomastus estuarinus Hutchings & Murray, 1984
Notomastus estuarius Hutchings & Murray, 1984
Notomastus exsertilis Saint-Joseph, 1906
Notomastus fauveli Day, 1955
Notomastus formianus Eisig, 1887
Notomastus giganteus Moore, 1906
Notomastus hedlandica Hartmann-Schröder, 1979
Notomastus hemipodus Hartman, 1945
Notomastus latericeus Sars, 1851
Notomastus lineatus (Claparède, 1869)
Notomastus lobatus Hartman, 1947
Notomastus luridus (Verrill, 1873)
Notomastus magnus Hartman, 1947
Notomastus ouanaryensis (Gravier, 1901)
Notomastus parvus Berkeley, 1929
Notomastus polyodon Gallardo, 1968
Notomastus precocis Hartman, 1960
Notomastus profondus (Eisig, 1887)
Notomastus profundus (Eisig, 1887)
Notomastus rubicundus (Keferstein, 1862)
Notomastus sinosus Grube, 1877
Notomastus sonorae Kudenov, 1975
Notomastus tenuis (Moore, 1909)
Notomastus teres Hartman, 1965
Notomastus torquatus Hutchings & Rainer, 1979
Notomastus variegatus Berkeley & Berkeley, 1950
Notomastus zeylanica Willey, 1905
Notomastus zeylanicus Willey, 1905
